
% ============================================
% |        WEIGHT ESTIMATION  TOOL           |
% |											 |
% |             Oxygen System                |
% |			                        		 |
% ============================================

function [W_ox] = WET_Torenbeek_Oxygen(ox, N_pax)

    switch ox
        
        case 0 % For fligts below 25,000 ft
          W_ox = 20 + 0.5 * N_pax;
        case 1 % For short flights above 25,000 ft
          W_ox = 30 + 1.2 * N_pax;
        case 2 % For extended overwater flights
          W_ox = 40 + 2.4 * N_pax;
         
    end
   
end